The new rule of thumb is the publicly sanctioned male violence against women that do not comply with the current ideology. The Biden administration has exacerbated this by claiming attacks on certain groups.
Swimmer Riley Gaines just got assaulted by a male for speaking up about women’s rights. This day and age, the new rule of thumb allows males to beat women for speaking.
The Kentucky Thumb is a world renowned lifesaving and lovemaking technique invented by Scott DeShields of Kentucky Ballistics himself after quite the unfortunate romantic encounter with some "hot" slap rounds, (the name gives it justice). As such the term was established as a method for multiple uses; for example plugging a severed carotid, loading firearms, and poking eggplants.